| Acronym | Meaning |
| ATAD | Auto Thermal Aerobic Digestion |
| BILE | Beam Induced Light Emission |
| ISA | Ionic Strength Adjuster |
| RIS | Rotational Isomeric State |
| CNDO/2D | Complete Neglect Of Differential Overlap With Deorthogonalization |
| OCS | Outer Continental Shelf |
| DRS | Direct Recoil Spectroscopy |
| FEI | Fire And Explosion Index |
| SRR | Standardized Relative Risk |
| CFR | Code Of Federal Regulations |